Polar Fox Kung Fu: 3 most beautiful cold weapon techniques that must never be used in real life

Some martial art weapon techniques look very beautiful and require a lot of time to learn, but must not be ever used in real life. What is common in these techniques? All of them are based on tempoparily loosing control over your weapon for grasp change. It allows to make the visual motion much faster, but it also leads to loosing the weapon forever by any slight push. These techniques must be considered as good special gymnastic exercises, good show elements, but not real life combat tech